CN201731334U - Multi-purpose medical light-source system - Google Patents
Multi-purpose medical light-source system Download PDFInfo
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- CN201731334U CN201731334U CN2010202441805U CN201020244180U CN201731334U CN 201731334 U CN201731334 U CN 201731334U CN 2010202441805 U CN2010202441805 U CN 2010202441805U CN 201020244180 U CN201020244180 U CN 201020244180U CN 201731334 U CN201731334 U CN 201731334U
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Abstract
The utility model discloses a multi-purpose medical light-source system, which comprises a core control device, an optical focus component and a combiner, and a multi-wavelength LED light source, an actuating mechanism and an optional light source controlled by the core control device; the multi-wavelength LED light source comprises a fixed plate and at least one LED luminous base plate fixed on the fixed plate; the core control device controls the actuating mechanism to drive the fixed plate to move, so as to lead the emitting light central point of the LED luminous base plate to move onto the incident light axis of the optical focus component; the light beam of the LED luminous base plate is output to an input end of the combiner through reshaping and focus alignment of the optical focus component; and the optional light source is connected with another input end of the combiner. The multi-purpose medical light-source system can output light emitted by the LED luminous base plate and the optional light source in a time-sharing way, or can output the combined light beam formed by the light emitted by the LED luminous base plate and the optional light source, so as to truly realize multipurpose.
Description
Technical field
The utility model relates to medical instruments field, particularly a kind of multiduty led light source system.
Background technology
Treatment and the diagnostic mode of light power for adopting light and photosensitizer drug to combine, its in treatment and diagnosis body cavity or the tumour and the range of application aspect the non-tumor disease of body surface more and more wider.A large amount of experimental study and clinical practices prove that photodynamic therapy is having broad application prospects aspect treatment, the diagnosis.
(photodynamic therapy is a kind of under aerobic conditions PDT) to PDT, by the new method of sensitising agent treatment tumour in the specific wavelength optical excitation target cell.Its principle is, sensitising agent produces reactive oxygen species (reactiveoxygen species, ROS) coup injury tumour cell, and the impaired cancerous tissue blood perfusion that causes of capilary is reduced, and then cause tumour cell generation apoptosis or necrosis.Therefore, in PDT, need the treatment light source that excites sensitising agent of specific wavelength.
(Photodynamic Diagnosis is to utilize sensitising agent to penetrate the characteristics that can send fluorescence down in the illumination of specific wavelength to carry out PD) to light power fluorescence diagnosis.Its principle is, because tumor tissues has different biochemical metabolism characteristics with normal structure, and the high absorption of tumor tissues, low metabolism, after a period of time, sensitising agent can be deposited in the tumor tissues.Sensitising agent is under the irradiation of the light source of specific wavelength, and the reaction of a series of photochemical reactions and photobiology takes place sensitising agent, launches the fluorescence of specific wavelength, in endoscope fluoroscopic image acquisition system, can be observed tumour and normal structure makes a distinction.In light power fluorescence diagnosis location, need select the excitation source of different wave length according to different sensitising agents.
When adopting PDT to carry out interior therapeutic and diagnosis, generally need the configuration endoscopic apparatus, endoscopic apparatus then needs light source to throw light on.At present, the illumination for endoscope light source can be divided into two big classes by the difference of selecting luminescent device for use, one class is a luminescent device with heat radiation electric light source (as halogen tungsten lamp, fill the xenon halogen tungsten lamp), another kind of is luminescent device with glow discharge spot lamp (as xenon lamp, various metal halide lamp) then, and this two classes light source respectively has suitable application area.
In sum, when the treatment tumour adopts photodynamic therapy on clinical medicine, follow the means of light power fluorescence diagnosis simultaneously as diagnosis, location, observation.Present medical light source is independently light source, therefore, if in the seance process, when needing comprehensively to use above-mentioned treatment light source, excitation source and lighting source, the doctor need treat the period in difference needed light source is connected on the suitable interface, and this not only is not easy to doctor's operation, continuity that can not the strict guarantee treatment, thereby prolonged treatment time, also probably influenced result of treatment.The medical light source that if can export multi-wavelength on an equipment is applied to medical field, satisfies above-mentioned various demand, then will bring great convenience and preferable treatment, diagnosis effect to practical application light power diagnosis and treatment.
The utility model content
The purpose of this utility model is to solve problems of the prior art, and a kind of photodynamic therapy system that has sight glass shooting and fluorescence diagnosis function at least is provided.
The technical solution of the utility model is: a kind of multipurpose medical light source system, comprise core control devices, and optical focus assembly and bundling device, and be controlled by multi-wavelength LED light source, the executing agency of described core control devices and can select light source; Described multi-wavelength LED light source comprises fixed head and the LED of a slice at least light-emitting substrate that is fixed on the fixed head; Described executing agency drives the fixed head motion under the control of core control devices, the emission light center point of the LED light-emitting substrate on the described fixed head is moved on the incident light axis of described optical focus assembly; The shaping of the light beam process optical focus assembly of LED light-emitting substrate and the input that focussed collimated outputs to described bundling device; The described light source of selecting links to each other with another input of bundling device.
Preferably, the described light source of selecting is endoscope illuminator or LASER Light Source.
Preferably, described optical focus assembly comprises first optical lens, second optical lens, focussed collimated lens and heat shield, the light beam that described LED light-emitting substrate sends passes through heat shield, in turn through the first optical lens shaping, focus on the focussed collimated lens through second optical lens, the line focus collimation lens outputs to an input of bundling device.
Preferably, described multi-wavelength LED light source also comprises the LED cooling device that is controlled by core control devices, described LED cooling device comprises TEC, temperature sensor and radiator, the cold junction of described TEC is affixed on the back side of fixed head, described LED light-emitting substrate all is fixed in the front of fixed head, and the hot junction of described TEC links to each other with radiator; Described temperature sensor is gathered the temperature of fixed head, and the temperature signal that collects is sent to described core control devices.
Described LED light-emitting substrate perhaps is made up of the led chip array of several identical wavelength or different wave length single led chip; The wave-length coverage of described led chip is 375nm～2200nm, and perhaps described led chip is that colour temperature is the White-light LED chip of 6000-6500k.
Preferably, described core control devices comprises controller and the thermostatic control module that is connected with its communication, described temperature sensor is sent to described controller with the temperature signal of gathering, and described controller changes the power output of LED cooling device by the thermostatic control module according to described temperature signal.
Preferably, described LED light-emitting substrate all is fixed on the front of fixed head 11, and described optical focus assembly is towards the front of fixed head, and makes the positive vertical of its incident light axis and fixed head.
Preferably, the emission light center point of described plurality of LED luminous substrate all is positioned on the same circumference on the front of fixed head, and the circumference at the described emission light center point of the incident light axis place of described optical focus assembly intersects; Described executing agency can drive fixed head and rotate around its central shaft of crossing the center of circle of described emission light center point place circumference.
Preferably, described executing agency finishes two motions, and the reference coordinate axle of described two motions is two the reference axis X that are perpendicular to one another, Y on the front of fixed head, and described executing agency can drive fixed head and carry out resultant motion on two.
Preferably, described core control devices comprises controller and the communication module that is used to make controller and host computer carry out communication.
The beneficial effects of the utility model are: multipurpose medical light source system described in the utility model can use separately, can timesharing provide a kind of led light source of wavelength by the multi-wavelength LED light source, this light source can be used as the excitation source that is used for the fluorescence excitation reaction generally speaking; Operator or host computer are selected by the control of communication module, core control devices can be controlled executing agency according to predeterminable level and drive the motion of multi-wavelength LED light source, and then will move on the incident light axis of described optical focus assembly with the emission light center point of the LED light-emitting substrate of the selected wavelength that is complementary, in addition, for by PDT treatment illness the time, the LED light-emitting substrate of multi-wavelength LED light source also can provide the treatment light source that carries out optical dynamic therapy;
In addition, the light source that multipurpose medical light source system selectively provides by the multi-wavelength LED light source and can select light source, the described light source of selecting is selected endoscope cold light source or LASER Light Source for use at this, can provide lighting source by the endoscope cold light source, LASER Light Source then can participate in OPK treatment and diagnosis;
Moreover, at the multi-wavelength LED light source with can select light source to export simultaneously the time, also exportable LED light-emitting substrate of bundling device and LASER Light Source close bundle, form the light of another kind of wavelength and power, therefore, multipurpose medical light source system described in the utility model can provide multiple light source configuration, and the doctor can finish various associative operations incessantly, for the continuation for the treatment of provides reliable assurance;
At last, described multipurpose medical light source system can cooperate uses together such as optical power therapentic equipment, and its core control devices can be carried out communication with host computer, receives higher level's instruction, cooperates optical power therapentic equipment to finish fluorescence diagnosis or treatment and illumination.
Description of drawings
The structural representation of Fig. 1 multipurpose medical light source system described in the utility model;
Fig. 2 a is a kind of embodiment of multi-wavelength LED light source shown in Figure 1;
Fig. 2 b is the another kind of embodiment of multi-wavelength LED light source shown in Figure 1;
Fig. 3 is the structural representation of optical focus assembly shown in Figure 1;
Fig. 4 is the structural representation of core control devices shown in Figure 1.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, described multipurpose medical light source system comprises core control devices 50, multi-wavelength LED light source 10, executing agency 21, optical focus assembly 30, bundling device 60 and can select light source 40.Described multi-wavelength LED light source 10 comprises fixed head 11 and the LED of a slice at least light-emitting substrate 12 that is fixed on the fixed head 11, every LED light-emitting substrate 12 can be packaged with single led chip, also can form by the led chip array of several identical wavelength or different wave length, the wave-length coverage of described led chip is typically chosen in 375nm～2200nm, described led chip also can be that colour temperature is the White-light LED chip of 6000-6500k, at this, the LED light-emitting substrate 12 of various wavelength forms can be provided according to demand, and LED light-emitting substrate 12 is arranged on fixed head 11 in some way.Described executing agency 21 can drive fixed head 11 motions, the emission light center point of the arbitrary LED light-emitting substrate 12 on the fixed head 11 is moved on the incident light axis of described optical focus assembly 30, and the light beam of LED light-emitting substrate 12 outputs to described bundling device 60 through the shaping and the focussed collimated of optical focus assembly 30.
The described light source 40 of selecting can be endoscope cold light source or LASER Light Source, at this, can select according to the actual requirements, the output of described optical focus assembly 30 links to each other with an input of bundling device 60, the described light source of selecting links to each other with another input of bundling device 60, and the output of bundling device 60 can connect the carrier of transmission light such as optical fiber or light guide bundles by connector 70.Therefore, but export the light that a certain LED light-emitting substrate 12 sends and can select light source 40, perhaps export light that a certain LED light-emitting substrate 12 sends and can select the formed bundle that closes of light source through described bundling device 60 timesharing.
As shown in Figure 3, described optical focus assembly 30, comprise first optical lens 32, second optical lens 33, focussed collimated lens 34 and heat shield 31, wherein, the light beam that described LED light-emitting substrate 12 sends is by heat shield 31, through 32 shapings of first optical lens, focus on focussed collimated lens 34 through second optical lens 33 in turn, line focus collimation lens 34 outputs to bundling device 60.
The described light source 40 of selecting is controlled by core control devices 50, and described core control devices 50 drives multi-wavelength LED light source 10 by drive unit 22 control executing agencies 21 and moves to the desired position.In the present embodiment, the LED light-emitting substrate 12 of multi-disc different wave length all is fixed on the front of fixed head 11, described optical focus assembly 30 is towards the front of fixed head 11, and make the positive vertical of its incident light axis and fixed head 11, like this, as long as executing agency's 21 drive fixed heads 11 move in the plane at its place the emission light center point of the arbitrary LED light-emitting substrate 12 on it is moved on the incident light axis of described optical focus assembly 30.
For LED light-emitting substrate 12 can be operated under the temperature constant state as far as possible, described multi-wavelength LED light source 10 also comprises the LED cooling device 13 that is packed on the fixed head 11, in the present embodiment, all LED light-emitting substrates 12 all are fixed on the front of fixed head 11, and described LED cooling device 13 then is packed on the back side of fixed head 11.Described LED cooling device 13 can comprise the radiator of TEC, temperature sensor and band radiator fan, the cold junction of described TEC is affixed on the back side of fixed head 11, the hot junction of described TEC links to each other with radiator, and then the heat that the hot junction produced of TEC is shed by air cooling way, described temperature sensor can detect the temperature of fixed head 11 in real time.
As shown in Figure 4, described core control devices 50 can comprise controller 51 and the communication module 52, thermostatic control module 53 and the constant current control module 54 that all are connected with described controller communication, and outside host computer can instruct transmission by communication module 52 and controller 51.The temperature sensor of described LED cooling device 13 is sent to described controller 51 with the temperature signal of gathering and compares with the reference temperature value of presetting, controller 51 changes the power output of LED cooling device 13 by described thermostatic control module 53 according to result relatively, and then can make the temperature of fixed head 11, be the temperature of multi-wavelength LED light source 10, keep constant.At this, described controller 51 also can be sent to host computer by communication module 52 with comparative result, assigns control instruction at thermostatic control module 53 by described host computer to controller 51.
Described constant current control module 54 can be gathered the current signal of driving LED light-emitting substrate 12, and this current signal is delivered to controller 51, described controller 51 compares the instantaneous value of the current signal that receives and default reference current value, and according to the electric current of comparative result, and then make its operating current keep constant by constant current control module 54 change driving LED light-emitting substrates 12.At this, described controller 51 also can be sent to host computer by communication module 52 with comparative result, assigns control instruction at constant current control module 54 by described host computer to controller 51.
In addition, can select the action of light source 40 by described controller 51 controls.
If plurality of LED luminous substrate 12 is arranged on the front of fixed head 11, then described executing agency 21 should finish two motions, wherein, the reference coordinate axle of two motions is two the reference axis X that are perpendicular to one another, Y on the front of fixed head 11, executing agency 21 drives the resultant motion that fixed head 11 carries out on two, and resultant motion can be finished by the transmission mechanism that two actuating motors drive separately.In the embodiment shown in Fig. 2 b, plurality of LED luminous substrate 12 is the matrix form of rule to be arranged, and the core control devices that arrangement is beneficial to 50 of rule is optimized the movement locus of executing agency.A kind of embodiment as this kind embodiment, described fixed head 11 adopts square, be fixed with the LED light-emitting substrate 12 of four different wave lengths on it, the wavelength of encapsulated LED chip is respectively purple light 375nm, blue light 470nm, ruddiness 630nm and ruddiness 670nm on four LED light-emitting substrates 12, peak power is 10～100W, makes multi-wavelength LED light source 10 that the led light source of four kinds of different wave lengths can be provided.If can select light source 40 to be the endoscope cold light source, multipurpose medical light source system then described in the utility model then can be selected timesharing output purple light 375nm, blue light 470nm, ruddiness 630nm, ruddiness 670nm or endoscope cold light source.
For the ease of realizing the motion control of multi-wavelength LED light source 10, described plurality of LED luminous substrate 12 can adopt the arrangement mode shown in Fig. 2 a, be that the emission light center point of plurality of LED luminous substrate 12 all is positioned on the same circumference on the front of fixed head 11, and the incident light axis of optical focus assembly 30 and fixed head 11 are vertical and intersect with the circumference at the emission light center point place of LED light-emitting substrate 12.So, rotate around its central shaft of crossing the center of circle of described emission light center point place circumference, the LED light-emitting substrate 12 of arbitrary required wavelength can be turned on the incident light axis of optical focus assembly 30 as long as executing agency 21 drives fixed head 11.Therefore, in this embodiment, described executing agency can comprise an actuating motor, as stepper motor.A kind of embodiment as this kind embodiment, shown in Fig. 2 a, described fixed head 11 also adopts circular, be fixed with the LED light-emitting substrate 12 of five different wave lengths on it, the wavelength of encapsulated LED chip is respectively blue light 405nm on five LED light-emitting substrates 12, ruddiness 630nm, ruddiness 670nm, green glow 532nm and near infrared light 780nm, peak power is 5～50W, make multi-wavelength LED light source 10 that the led light source of five kinds of different wave lengths can be provided, described led light source can be used as excitation source or the treatment light source that is used for fluorescence excitation, can drive fixed head 11 by the described executing agency of core control devices 50 controls according to employed certain wavelength light source in use the LED light-emitting substrate 12 that matches is moved on the corresponding position.If can select light source 40 to be the endoscope cold light source, multipurpose medical light source system then described in the utility model then can be selected timesharing output blue light 405nm, ruddiness 630nm, ruddiness 670nm, green glow 532nm, near-infrared 780nm or endoscope cold light source.
Being the utility model preferred embodiment only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.
Claims (10)
1. multipurpose medical light source system is characterized in that: comprise core control devices, and optical focus assembly and bundling device, and be controlled by multi-wavelength LED light source, the executing agency of described core control devices and can select light source; Described multi-wavelength LED light source comprises fixed head and the LED of a slice at least light-emitting substrate that is fixed on the fixed head; Described executing agency drives the fixed head motion under the control of core control devices, the emission light center point of the LED light-emitting substrate on the described fixed head is moved on the incident light axis of described optical focus assembly; The shaping of the light beam process optical focus assembly of LED light-emitting substrate and the input that focussed collimated outputs to described bundling device; The described light source of selecting links to each other with another input of bundling device.
2. multipurpose medical light source system according to claim 1 is characterized in that: the described light source of selecting is endoscope illuminator or LASER Light Source.
3. multipurpose medical light source system according to claim 1, it is characterized in that: described optical focus assembly comprises first optical lens, second optical lens, focussed collimated lens and heat shield, the light beam that described LED light-emitting substrate sends passes through heat shield, in turn through the first optical lens shaping, focus on the focussed collimated lens through second optical lens, the line focus collimation lens outputs to an input of bundling device.
4. multipurpose medical light source system according to claim 1 is characterized in that: described LED light-emitting substrate perhaps is made up of the led chip array of several identical wavelength or different wave length single led chip; The wave-length coverage of described led chip is 375nm～2200nm, and perhaps described led chip is that colour temperature is the White-light LED chip of 6000-6500k.
5. multipurpose medical light source system according to claim 1, it is characterized in that: described multi-wavelength LED light source also comprises the LED cooling device that is controlled by core control devices, described LED cooling device comprises TEC, temperature sensor and radiator, the cold junction of described TEC is affixed on the back side of fixed head, described LED light-emitting substrate all is fixed in the front of fixed head, and the hot junction of described TEC links to each other with radiator; Described temperature sensor is gathered the temperature of fixed head, and the temperature signal that collects is sent to described core control devices.
6. multipurpose medical light source system according to claim 5, it is characterized in that: described core control devices comprises controller and the thermostatic control module that is connected with its communication, described temperature sensor is sent to described controller with the temperature signal of gathering, and described controller changes the power output of LED cooling device by the thermostatic control module according to described temperature signal.
7. according to each described multipurpose medical light source system in the claim 1 to 6, it is characterized in that: described LED light-emitting substrate all is fixed on the front of fixed head, described optical focus assembly is towards the front of fixed head, and makes the positive vertical of its incident light axis and fixed head.
8. multipurpose medical light source system according to claim 7, it is characterized in that: the emission light center point of described plurality of LED luminous substrate all is positioned on the same circumference on the front of fixed head, and the circumference at the described emission light center point of the incident light axis place of described optical focus assembly intersects; Described executing agency can drive fixed head and rotate around its central shaft of crossing the center of circle of described emission light center point place circumference.
9. multipurpose medical light source system according to claim 7, it is characterized in that: described executing agency finishes two motions, the reference coordinate axle of described two motions is two the reference axis X that are perpendicular to one another, Y on the front of fixed head, and described executing agency can drive fixed head and carry out resultant motion on two.
10. according to each described multipurpose medical light source system in the claim 1 to 6, it is characterized in that: described core control devices comprises controller and the communication module that is used to make controller and host computer carry out communication.
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| CN2010202441805U CN201731334U (en) | 2010-06-29 | 2010-06-29 | Multi-purpose medical light-source system |
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| CN2010202441805U CN201731334U (en) | 2010-06-29 | 2010-06-29 | Multi-purpose medical light-source system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869741A (en) * | 2010-06-29 | 2010-10-27 | 深圳市雷迈科技有限公司 | Multipurpose medical light source system |
| CN103462578A (en) * | 2013-09-04 | 2013-12-25 | 深圳先进技术研究院 | Medical endoscope, medical endoscope cold light source system, and temperature control system for medical endoscope cold light source system |
| CN103479319A (en) * | 2013-09-04 | 2014-01-01 | 深圳先进技术研究院 | Medical endoscope, cold light source system of medical endoscope and working method of cold light source system |
| CN103997947A (en) * | 2011-12-13 | 2014-08-20 | 奥林巴斯株式会社 | Illumination module having plurality of light-guide members |
| CN105451635A (en) * | 2013-08-23 | 2016-03-30 | 奥林巴斯株式会社 | Light source device and endoscope device |
| CN111174180A (en) * | 2020-01-19 | 2020-05-19 | 平行现实（杭州）科技有限公司 | Large dynamic range light beam steering device |
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2010
- 2010-06-29 CN CN2010202441805U patent/CN201731334U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869741A (en) * | 2010-06-29 | 2010-10-27 | 深圳市雷迈科技有限公司 | Multipurpose medical light source system |
| CN101869741B (en) * | 2010-06-29 | 2011-11-09 | 深圳市雷迈科技有限公司 | Multipurpose medical light source system |
| CN103997947A (en) * | 2011-12-13 | 2014-08-20 | 奥林巴斯株式会社 | Illumination module having plurality of light-guide members |
| US9835782B2 (en) | 2011-12-13 | 2017-12-05 | Olympus Corporation | Irradiation module having light guides |
| CN105451635A (en) * | 2013-08-23 | 2016-03-30 | 奥林巴斯株式会社 | Light source device and endoscope device |
| CN105451635B (en) * | 2013-08-23 | 2017-08-11 | 奥林巴斯株式会社 | Light supply apparatus and endoscope apparatus |
| CN103462578A (en) * | 2013-09-04 | 2013-12-25 | 深圳先进技术研究院 | Medical endoscope, medical endoscope cold light source system, and temperature control system for medical endoscope cold light source system |
| CN103479319A (en) * | 2013-09-04 | 2014-01-01 | 深圳先进技术研究院 | Medical endoscope, cold light source system of medical endoscope and working method of cold light source system |
| CN103462578B (en) * | 2013-09-04 | 2015-06-10 | 深圳先进技术研究院 | Medical endoscope, medical endoscope cold light source system, and temperature control system for medical endoscope cold light source system |
| CN111174180A (en) * | 2020-01-19 | 2020-05-19 | 平行现实（杭州）科技有限公司 | Large dynamic range light beam steering device |
| CN111174180B (en) * | 2020-01-19 | 2022-04-26 | 平行现实（杭州）科技有限公司 | Large dynamic range light beam steering device |
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